Cockatoos are already known for their wicked dance moves, but a new study reveals that they can create their own beat as well. Researchers observing 18 palm cockatoos (Probosciger aterrimus) in northern Australia discovered that, when courting a mate, male cockatoos grab a stick or a seedpod and start rhythmically whacking a hollow tree branch, producing a steady beat. 

视频见如下网址：http://www.sciencemag.org/video/cockatoos-use-tools-make-music。

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